18539820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 192

約数和(自身を含む): 65856000

約数和(自身を除く): 47316180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 90, 95, 108, 114, 117, 130, 135, 139, 156, 171, 180, 190, 195, 228, 234, 247, 260, 270, 278, 285, 342, 351, 380, 390, 417, 468, 494, 513, 540, 556, 570, 585, 684, 695, 702, 741, 780, 834, 855, 988, 1026, 1140, 1170, 1235, 1251, 1390, 1404, 1482, 1668, 1710, 1755, 1807, 2052, 2085, 2223, 2340, 2470, 2502, 2565, 2641, 2780, 2964, 3420, 3510, 3614, 3705, 3753, 4170, 4446, 4940, 5004, 5130, 5282, 5421, 6255, 6669, 7020, 7228, 7410, 7506, 7923, 8340, 8892, 9035, 10260, 10564, 10842, 11115, 12510, 13205, 13338, 14820, 15012, 15846, 16263, 18070, 18765, 21684, 22230, 23769, 25020, 26410, 26676, 27105, 31692, 32526, 33345, 34333, 36140, 37530, 39615, 44460, 47538, 48789, 52820, 54210, 65052, 66690, 68666, 71307, 75060, 79230, 81315, 95076, 97578, 102999, 108420, 118845, 133380, 137332, 142614, 158460, 162630, 171665, 195156, 205998, 237690, 243945, 285228, 308997, 325260, 343330, 356535, 411996, 475380, 487890, 514995, 617994, 686660, 713070, 926991, 975780, 1029990, 1235988, 1426140, 1544985, 1853982, 2059980, 3089970, 3707964, 4634955, 6179940, 9269910, 18539820]

約数ペア:

[(1, 18539820), (2, 9269910), (3, 6179940), (4, 4634955), (5, 3707964), (6, 3089970), (9, 2059980), (10, 1853982), (12, 1544985), (13, 1426140), (15, 1235988), (18, 1029990), (19, 975780), (20, 926991), (26, 713070), (27, 686660), (30, 617994), (36, 514995), (38, 487890), (39, 475380), (45, 411996), (52, 356535), (54, 343330), (57, 325260), (60, 308997), (65, 285228), (76, 243945), (78, 237690), (90, 205998), (95, 195156), (108, 171665), (114, 162630), (117, 158460), (130, 142614), (135, 137332), (139, 133380), (156, 118845), (171, 108420), (180, 102999), (190, 97578), (195, 95076), (228, 81315), (234, 79230), (247, 75060), (260, 71307), (270, 68666), (278, 66690), (285, 65052), (342, 54210), (351, 52820), (380, 48789), (390, 47538), (417, 44460), (468, 39615), (494, 37530), (513, 36140), (540, 34333), (556, 33345), (570, 32526), (585, 31692), (684, 27105), (695, 26676), (702, 26410), (741, 25020), (780, 23769), (834, 22230), (855, 21684), (988, 18765), (1026, 18070), (1140, 16263), (1170, 15846), (1235, 15012), (1251, 14820), (1390, 13338), (1404, 13205), (1482, 12510), (1668, 11115), (1710, 10842), (1755, 10564), (1807, 10260), (2052, 9035), (2085, 8892), (2223, 8340), (2340, 7923), (2470, 7506), (2502, 7410), (2565, 7228), (2641, 7020), (2780, 6669), (2964, 6255), (3420, 5421), (3510, 5282), (3614, 5130), (3705, 5004), (3753, 4940), (4170, 4446)]